Interface circuit between the serial 12-bit ADC and the computer

Published:2011/6/20 2:13:00 Author:TaoXi | Keyword: Interface circuit, serial 12-bit ADC, computer | From:SeekIC

In recent years, the IC manufacturers design various methods to achieve the interface, and they pay special attention to reduce the I/O pin number of the IC interface. The MAX187 is such a device which is designed as the 12-bit D/A converter (ADC). You can use the serial data communication technology to produce a interface that matches the ADC. The A/D conversion and data transmission of the MAX187 only needs three digital I/O lines. You can use the PC's Centronics printer port to produce a simple interface between the MAX187 and PC (figure 1). As long as the pins are set to the high or low level, you can enable or disable the MAX187 (pin-3). Figure 1 The interface between the 12-bit ADC and the PC



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